Once open, remove the black foam stuck onto the back of the outside-facing vents and put everything back together.

打开以后，把通风孔后面的黑色泡沫阻挡物移除，重新把所有东西组装回去。

youdao

The lozenges provide ventilation by opening automatically in warm weather, act as solar protection, contribute to the acoustics and open as smoke vents should fire break out.

面板在温暖的天气下自动打开，提供通风，作为太阳能保护装置，也有助于声学，并且在打开时作为防火排烟口。

youdao

We open the vents of feeling and exercise parts of our minds that reason locks away by day.

我们会敞开情感之门，让白天被理智束缚的那部分思绪自由奔涌。

youdao

But three of the four vents remain open,still spewing thousands of barrels of oil to the surface.

VOA: standard.2010.06.08

The result - open windows in January and vents pumping valuable heat out to playgrounds to make classrooms bearable.

BBC: The ?1,000-a-year heating bill is here.

Push the backlit engine-start button and the dashboard air vents automatically rotate open while the rotary shift knob rises up from the center console.

FORBES: A Jaguar With A Four-Cylinder Engine...Really?

Yet a bone of contention remains: Government investigators who'd visited the farm in Suffolk said hygiene standards were lax, with uncovered vents and gulls taking meat from open waste bins.

FORBES: U.K. Parliament Cries 'Fowl' Over Turkey Cull Payout